Connected: An Internet Encyclopedia
RFC 793 - 2.5. Relation to Other Protocols

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### 2.5. Relation to Other Protocols

The following diagram illustrates the place of the TCP in the protocol hierarchy:

           +------+ +-----+ +-----+       +-----+
           |Telnet| | FTP | |Voice|  ...  |     |  Application Level
           +------+ +-----+ +-----+       +-----+
                 |   |         |             |
                +-----+     +-----+       +-----+
                | TCP |     | RTP |  ...  |     |  Host Level
                +-----+     +-----+       +-----+
                   |           |             |
                +-------------------------------+
                |    Internet Protocol & ICMP   |  Gateway Level
                +-------------------------------+
                               |
                  +---------------------------+
                  |   Local Network Protocol  |    Network Level
                  +---------------------------+

                             Protocol Relationships

                                   Figure 2.

It is expected that the TCP will be able to support higher level protocols efficiently. It should be easy to interface higher level protocols like the ARPANET Telnet or AUTODIN II THP to the TCP.

Next: 2.6. Reliable Communication

Connected: An Internet Encyclopedia
RFC 793 - 2.5. Relation to Other Protocols